Missouri operates approximately 50 air monitoring sites across the state. The monitors measure pollutants and collect data to determine whether Missouri meets federal and state air quality standards, report daily air quality and track trends in air pollution levels over time. Select an air monitoring site to learn more about each pollutant monitored and the data results for each site.
- Air Monitoring Sites in Jefferson County
- Air Monitoring Sites in Southeast Missouri
- Air Monitoring Sites - GIS Map
To sort the table by field, click on the County or Station column headings in the table.
| County | Station | Pollutants Monitored |
|---|---|---|
| New Madrid | Magnitude 7 Metals Site #1 AECI Water Tower Industrial Air Monitoring Site | Sulfur Dioxide |
| New Madrid | Magnitude 7 Metals Site #2 East Graveyard Industrial Air Monitoring Site | Sulfur Dioxide |
| New Madrid | Magnitude 7 Metals Site #3 West Entrance Industrial Air Monitoring Site | Sulfur Dioxide |
| Perry | Farrar Air Monitoring Site | Ozone |
| Reynolds | Fletcher Air Monitoring Site | Lead |
| Reynolds | Oates Air Monitoring Site | Lead |
| St. Charles | Labadie North Industrial Air Monitoring Site | Sulfur Dioxide |
| St. Charles | Labadie Northwest Industrial Air Monitoring Site | Sulfur Dioxide |
| St. Charles | Orchard Farm Air Monitoring Site | Ozone |
| St. Charles | West Alton Air Monitoring Site | Ozone |